[phobos] [dlang/phobos] b3a8f4: Added some const to varibles that aren't modified

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: b3a8f49ca0128d6a026231bec231ba7c40d11e4e
      https://github.com/dlang/phobos/commit/b3a8f49ca0128d6a026231bec231ba7c40d11e4e
  Author: Jack Stouffer <jack at jackstouffer.com>
  Date:   2016-09-23 (Fri, 23 Sep 2016)

  Changed paths:
    M std/file.d

  Log Message:
  -----------
  Added some const to varibles that aren't modified


  Commit: 81c09ed1c191c876fd244e3bf296da76823d7243
      https://github.com/dlang/phobos/commit/81c09ed1c191c876fd244e3bf296da76823d7243
  Author: Robert Schadek <robert.schadek at informatik.uni-oldenburg.de>
  Date:   2016-09-29 (Thu, 29 Sep 2016)

  Changed paths:
    M std/file.d

  Log Message:
  -----------
  Merge pull request #4811 from JackStouffer/file-const

[trivial] Added const to varibles in std.file that aren't modified


Compare: https://github.com/dlang/phobos/compare/a5e935370f5d...81c09ed1c191